It's really noisy outside. I would appreciate ____ if you raise your voice in order to make yourself _______ in the back.

A．this; hear

B．that; heard

C．it; heard

D．you; hear

可作为眼病外用的药物是（）。

A.芒硝

B.朴硝

C.玄明粉

D.玄参

E.巴豆